JAN13
High-power LED torch
Here you can see yet another Joule thief circuit. It is powered from a single 1.2V (1.5V) battery and it powers 4 high efficiency LEDs.
What is interesting about this circuit is that a coil which is necessary for Joule Thief is actually wound on a battery case!
© qs
[ Source: qs ]
similar content
- Color detection with RGB LED (21-05-2009) [@News]
- LED blinker for toys (20-02-2004) [@Schematics/Optics]
- LED lightbulb mod (18-02-2009) [@News]
- AHRS Sensor Board and RGB LED Matrix (19-09-2011) [@News]
- Power inverter 12V-220V 100W (01-02-2007) [@Schematics/Power supply]
- Vibrobot Socbot - remote controlled micro robot (11-01-2009) [@News]
- Power inverter 12V-220V (21-03-2004) [@Schematics/Power supply]
- 1.5V battery powered motor (14-02-2004) [@Schematics/Everything else]
- Regulated power supply 1.27V to 25V (27-08-2004) [@Schematics/Power supply]
- Voice powered crystal controlled radio transmitter (04-11-2009) [@News]
add comment
Please log-in!
You can log-in on forum link: Login page. After logging-in, return to this page and click refresh in your browser.